This section tracks the models behind ChatGPT individually: what each GPT release changed, how the community rated it in its first weeks, and how it performs on benchmarks. OpenAI ships new versions and variants at a fast cadence, and the differences matter: pricing, speed, and behavior can all shift between releases even when the product looks the same.
Each model page collects launch facts with absolute dates, notable strengths and issues reported by real users on our live ChatGPT tracker, and LMArena standing from the ChatGPT benchmarks. New pages are added as models ship, so this section grows with every release.